9929475 has 18 divisors (see below), whose sum is σ = 17785196. Its totient is φ = 5295600.

The previous prime is 9929473. The next prime is 9929489. The reversal of 9929475 is 5749299.

It is not a de Polignac number, because 9929475 - 2¹ = 9929473 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9929475.

It is not an unprimeable number, because it can be changed into a prime (9929473) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 21841 + ... + 22290.

Almost surely, 2^9929475 is an apocalyptic number.

9929475 is a deficient number, since it is larger than the sum of its proper divisors (7855721).

9929475 is a wasteful number, since it uses less digits than its factorization.

9929475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44147 (or 44139 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 9929475 is about 3151.1069483596. The cubic root of 9929475 is about 214.9358019973.

It can be divided in two parts, 9929 and 475, that added together give a square (10404 = 102²).

The spelling of 9929475 in words is "nine million, nine hundred twenty-nine thousand, four hundred seventy-five".